Q: What is the sum of all factors of the number 721,335,147 excluding 721,335,147?

A: 327,404,181

Why is 327,404,181 the sum of all factors of 721,335,147, excluding 721,335,147?

The factors of the number 721,335,147 are: 1, 3, 13, 39, 163, 233, 487, 489, 699, 1461, 2119, 3029, 6331, 6357, 9087, 18993, 37979, 79381, 113471, 113937, 238143, 340413, 493727, 1031953, 1475123, 1481181, 3095859, 4425369, 18495773, 55487319, 240445049, 721335147.

If you add them up, you will get the total of 721,335,474. Now subtract 721,335,147 to get 327,404,181